Finding the Fourth Proportional to 1,107,138.66, 1,661,213.99 and 500,089.28
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Solution
The fourth proportional to 1,107,138.66, 1,661,213.99 and 500,089.28 is: 750,362.47
Step by Step Solution
- Step 1: Write the proportion equation
1,107,138.66 : 1,661,213.99 = 500,089.28 : x - Step 2: Convert to fraction form
1,107,138.66/1,661,213.99 = 500,089.28/x - Step 3: Cross multiply
1,107,138.66x = 1,661,213.99 × 500,089.28 - Step 4: Simplify right side
1,107,138.66x = 830,755,297,378.51 - Step 5: Solve for x
x = 830,755,297,378.51/1,107,138.66 - Step 6: Final answer
x = 750,362.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.